CN108895213A - A kind of ultra-thin tube and its processing method - Google Patents
A kind of ultra-thin tube and its processing method Download PDFInfo
- Publication number
- CN108895213A CN108895213A CN201810541259.5A CN201810541259A CN108895213A CN 108895213 A CN108895213 A CN 108895213A CN 201810541259 A CN201810541259 A CN 201810541259A CN 108895213 A CN108895213 A CN 108895213A
- Authority
- CN
- China
- Prior art keywords
- plate
- ultra
- tubing
- thin tube
- sides
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000003672 processing method Methods 0.000 title claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 9
- 238000003466 welding Methods 0.000 claims description 41
- 238000000465 moulding Methods 0.000 claims description 32
- 238000005498 polishing Methods 0.000 claims description 16
- 238000001816 cooling Methods 0.000 claims description 15
- 238000013000 roll bending Methods 0.000 claims description 12
- 238000009940 knitting Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- 239000002893 slag Substances 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000004140 cleaning Methods 0.000 claims description 4
- 238000010008 shearing Methods 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 18
- 230000007547 defect Effects 0.000 description 6
- 238000002788 crimping Methods 0.000 description 4
- 238000005057 refrigeration Methods 0.000 description 4
- 230000032683 aging Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000003507 refrigerant Substances 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/16—Rigid pipes wound from sheets or strips, with or without reinforcement
- F16L9/165—Rigid pipes wound from sheets or strips, with or without reinforcement of metal
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/08—Making tubes with welded or soldered seams
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention discloses a kind of ultra-thin tube, the wall thickness of the ultra-thin tube is 0.3-0.4mm.Its processing method invention low production cost, the tubing produced meets the ultra-thin tube standard of small diameter tube large capacity, and cost of material is smaller, and certified product rate is high.
Description
Technical field
The present invention relates to tubing manufacturing technology, especially a kind of ultra-thin tube and its processing method.
Background technique
In existing refrigeration system, the design of certain systems is very exquisite, need the ultra-thin tube of small diameter tube large capacity into
Row is supported.
However in existing tubing manufacturing technology, the ultra-thin of manufacture small diameter tube large capacity is often carried out by the way of founding
Wall pipe, but the manufacturing cost of founding is very high, energy consumption is also big, and certified product rate is not high.
Certain producers can be manufactured by the way of stretching pipe crimping, however plate both sides are frequently encountered in manufacturing process
Dislocation is generated in curly course, the case where can not welding;Although energy consumption is little, the cost of material of manufacturing process compared with
Greatly, and certified product rate is not also high.
Summary of the invention
The object of the present invention is to provide a kind of ultra-thin tube and its processing methods.The invention low production cost, production
Tubing out meets the ultra-thin tube standard of small diameter tube large capacity, and cost of material is smaller, and certified product rate is high.
Technical solution of the present invention
A kind of ultra-thin tube, the wall thickness of the ultra-thin tube are 0.3-0.4mm.
A method of processing the ultra-thin tube, including step:
The first step, sheet shearing select the plate with a thickness of 0.3-0.4mm, calculate required plate according to the radius of required tubing
It is spare to cut corresponding size plate for the width of material;
Second step, plate finishing, the plate that the first step is prepared, which is polished, to be modified, and removes flash removed;
Third step cleans plate, and the plate trimmed using ultrasonic water gun cleaning second step removes plate surface greasy dirt
Tubulose is made by veneer reeling machine in 4th step, roll bending molding, the plate that third step is trimmed;
5th step, welding, is welded into tubing for the 4th molding plate of step roll bending by HFI welding;
6th step, polishing welding seams remove the welding of the 5th step and complete the welding slag of tubing weld, and carry out sanding and polishing;
7th step, it is cooling, the 6th step is completed to the tubing of weld grinding, is cooled to room temperature by way of water cooling;
7th step, is completed cooling tubing by the 8th step, school circle, passes through school circular knitting machine school circle;
9th step, closing quotation, the tubing coil winding after high-ranking officers are round.
In the roll bending forming step, for veneer reeling machine by 12 groups of plain-barreled rolls, the plate that third step is trimmed is made required half
The tubulose tubing of diameter.
For the veneer reeling machine by 12 groups of plain-barreled rolls, tubulose is made in the plate that third step is trimmed, the specific steps are:
A, the 1st, 2,3,4 group of plain-barreled roll upsweeps plate both sides, forms both sides arc and upwarps, the moulding of bottom level obtains
Middleware a;
B, the 5th, 6,7,8 group of plain-barreled roll, which upwarps the both sides middleware a arc, continues to crimp, and forms semicircular moulding, obtains centre
Part b;
C, the both sides middleware b arc is upwarped to continue to crimp and be closed up by the 9th, 10,11,12 group of plain-barreled roll, and the bottom of middleware b is rolled up
Song forms circle, obtains the tubulose tubing of required radius.
In the step A, the 1st, 2 group of plain-barreled roll tilts on plate both sides upwards, forms that both sides are straight upwarps, bottom level
Moulding;3rd, 4 group of plain-barreled roll upsweeps plate both sides, forms both sides arc and upwarps, the moulding of bottom level.
In the step B, the 5th, 6 group of plain-barreled roll crimps the bottom middleware a, forms both sides arc and upwarps, bottom arc
Moulding;7th, 8 group of plain-barreled roll crimps the bottom middleware a, and the both sides middleware a are upsweeped, and forms semicircular moulding.
In the step C, the bottom middleware b is curled into the corresponding radian for meeting required radius by the 9th, 10 group of plain-barreled roll;The
11,12 groups of plain-barreled rolls upsweep the both sides middleware b, close up, and the tubulose tubing of required radius is made.
In the welding step, welding current 150-185A, speed of welding 2.3-2.7m/s.
In the polishing welding seams step, pass through the welding slag of planing tool polishing tubing weld.
In the school circle step, tubing after cooling is placed on the circular knitting machine of school along both direction counterclockwise rotation school circle.
Compared with prior art, the caliber low capacity of ultra-thin tube of the present invention is big, is particular enable to meet present refrigerant system design
The requirement of middle delicate structure.
The processing method of ultra-thin tube of the present invention, plate, which is curled into round tube, by 12 groups of plain-barreled rolls can be avoided general stretching
The plate both sides problem of misalignment generated during pipe crimping reduces the defect rate in production process, greatlys save production cost.
Deformation Law of 12 groups of plain-barreled rolls according to common plate in the processing method of ultra-thin tube of the present invention, can guarantee to roll up
It will not be led to the problem of during bent and cause plate damage to cause defect rate high because of aging deformation;And 12 groups of plain-barreled rolls point
It is particular enable to adapt to the production that wall thickness is 0.3-0.4mm tubing at the method that 3 steps crimp, yields reaches 99%.
Ultra-thin tube of the invention can be used for the evaporator, condenser, dew removing tube of the refrigeration systems such as refrigerator, refrigerator, whole
Cost at least reduces by 1/5.
Detailed description of the invention
Fig. 1 is the cross-sectional view of middleware a of the invention;
Fig. 2 is the cross-sectional view of middleware b of the invention;
Fig. 3 is the cross-sectional view of tubing after the completion of curling of the invention;
Fig. 4 is the schematic diagram of the 4th group of plain-barreled roll of the invention;
Fig. 5 is the schematic diagram of the 8th group of plain-barreled roll of the invention;
Fig. 6 is the schematic diagram of the 12nd group of plain-barreled roll of the invention.
Specific embodiment
Embodiment 1
A kind of ultra-thin tube, the wall thickness of the ultra-thin tube are 0.3-0.4mm.
A method of processing the ultra-thin tube, including step:
The first step, sheet shearing select the plate with a thickness of 0.3-0.4mm, calculate required plate according to the radius of required tubing
It is spare to cut corresponding size plate for the width of material;
Second step, plate finishing, the plate that the first step is prepared, which is polished, to be modified, and removes flash removed;
Third step cleans plate, and the plate trimmed using ultrasonic water gun cleaning second step removes plate surface greasy dirt
Tubulose is made by veneer reeling machine in 4th step, roll bending molding, the plate that third step is trimmed;
5th step, welding, is welded into tubing for the 4th molding plate of step roll bending by HFI welding;
6th step, polishing welding seams remove the welding of the 5th step and complete the welding slag of tubing weld, and carry out sanding and polishing;
7th step, it is cooling, the 6th step is completed to the tubing of weld grinding, is cooled to room temperature by way of water cooling;
7th step, is completed cooling tubing by the 8th step, school circle, passes through school circular knitting machine school circle;
9th step, closing quotation, the tubing coil winding after high-ranking officers are round.
In the roll bending forming step, for veneer reeling machine by 12 groups of plain-barreled rolls, the plate that third step is trimmed is made required half
The tubulose tubing of diameter.
For the veneer reeling machine by 12 groups of plain-barreled rolls, tubulose is made in the plate that third step is trimmed, the specific steps are:
A, the 1st, 2,3,4 group of plain-barreled roll upsweeps plate both sides, forms both sides arc and upwarps, the moulding of bottom level obtains
Middleware a, as shown in Figure 1;
B, the 5th, 6,7,8 group of plain-barreled roll, which upwarps the both sides middleware a arc, continues to crimp, and forms semicircular moulding, obtains centre
Part b, as shown in Figure 2;
C, the both sides middleware b arc is upwarped to continue to crimp and be closed up by the 9th, 10,11,12 group of plain-barreled roll, and the bottom of middleware b is rolled up
Song forms circle, obtains the tubulose tubing of required radius, as shown in Figure 3.
In the step A, the 1st, 2 group of plain-barreled roll tilts on plate both sides upwards, forms that both sides are straight upwarps, bottom level
Moulding;As shown in figure 4, the 3rd, 4 group of plain-barreled roll upsweeps plate both sides, forms both sides arc and upwarp, the moulding of bottom level.
In the step B, the 5th, 6 group of plain-barreled roll crimps the bottom middleware a, forms both sides arc and upwarps, bottom arc
Moulding;As shown in figure 5, the 7th, 8 group of plain-barreled roll crimps the bottom middleware a, and the both sides middleware a are upsweeped, forms semicircle
The moulding of shape.
In the step C, the bottom middleware b is curled into the corresponding radian for meeting required radius by the 9th, 10 group of plain-barreled roll;Such as
Shown in Fig. 6, the 11st, 12 group of plain-barreled roll upsweeps the both sides middleware b, closes up, and the tubulose tubing of required radius is made.
In the welding step, welding current 150-185A, speed of welding 2.3-2.7m/s.
In the polishing welding seams step, pass through the welding slag of planing tool polishing tubing weld.
In the school circle step, tubing after cooling is placed on the circular knitting machine of school along both direction counterclockwise rotation school circle.
The caliber low capacity of ultra-thin tube of the present invention is big, is particular enable to meet wanting for delicate structure in present refrigerant system design
It asks.
The processing method of ultra-thin tube of the present invention, plate, which is curled into round tube, by 12 groups of plain-barreled rolls can be avoided general stretching
The plate both sides problem of misalignment generated during pipe crimping reduces the defect rate in production process, greatlys save production cost.
Deformation Law of 12 groups of plain-barreled rolls according to common plate in the processing method of ultra-thin tube of the present invention, can guarantee to roll up
It will not be led to the problem of during bent and cause plate damage to cause defect rate high because of aging deformation;And 12 groups of plain-barreled rolls point
It is particular enable to adapt to the production that wall thickness is 0.3-0.4mm tubing at the method that 3 steps crimp, yields reaches 99%.
Ultra-thin tube of the invention can be used for the evaporator, condenser, dew removing tube of the refrigeration systems such as refrigerator, refrigerator, whole
Cost at least reduces by 1/5.
Embodiment 2
A kind of ultra-thin tube, the wall thickness of the ultra-thin tube are 0.3-0.4mm.
A method of processing the ultra-thin tube, including step:
The first step, sheet shearing select the plate with a thickness of 0.3-0.4mm, calculate required plate according to the radius of required tubing
It is spare to cut corresponding size plate for the width of material;
Second step, plate finishing, the plate that the first step is prepared, which is polished, to be modified, and removes flash removed;
Third step cleans plate, and the plate trimmed using ultrasonic water gun cleaning second step removes plate surface greasy dirt
Tubulose is made by veneer reeling machine in 4th step, roll bending molding, the plate that third step is trimmed;
5th step, welding, is welded into tubing for the 4th molding plate of step roll bending by HFI welding;
6th step, polishing welding seams remove the welding of the 5th step and complete the welding slag of tubing weld, and carry out sanding and polishing;
7th step, it is cooling, the 6th step is completed to the tubing of weld grinding, is cooled to room temperature by way of water cooling;
7th step, is completed cooling tubing by the 8th step, school circle, passes through school circular knitting machine school circle;
9th step, closing quotation, the tubing coil winding after high-ranking officers are round.
In the roll bending forming step, for veneer reeling machine by 12 groups of plain-barreled rolls, the plate that third step is trimmed is made required half
The tubulose tubing of diameter.
For the veneer reeling machine by 12 groups of plain-barreled rolls, tubulose is made in the plate that third step is trimmed, the specific steps are:
A, the 1st, 2,3,4 group of plain-barreled roll upsweeps plate both sides, forms both sides arc and upwarps, the moulding of bottom level obtains
Middleware a, as shown in Figure 1;
B, the 5th, 6,7,8 group of plain-barreled roll, which upwarps the both sides middleware a arc, continues to crimp, and forms semicircular moulding, obtains centre
Part b, as shown in Figure 2;
C, the both sides middleware b arc is upwarped to continue to crimp and be closed up by the 9th, 10,11,12 group of plain-barreled roll, and the bottom of middleware b is rolled up
Song forms circle, obtains the tubulose tubing of required radius, as shown in Figure 3.
In the step A, the 1st, 2 group of plain-barreled roll tilts on plate both sides upwards, forms that both sides are straight upwarps, bottom level
Moulding;As shown in figure 4, the 3rd, 4 group of plain-barreled roll upsweeps plate both sides, forms both sides arc and upwarp, the moulding of bottom level.
In the step B, the 5th, 6 group of plain-barreled roll crimps the bottom middleware a, forms both sides arc and upwarps, bottom arc
Moulding;As shown in figure 5, the 7th, 8 group of plain-barreled roll crimps the bottom middleware a, and the both sides middleware a are upsweeped, forms semicircle
The moulding of shape.
In the step C, the bottom middleware b is curled into the corresponding radian for meeting required radius by the 9th, 10 group of plain-barreled roll;Such as
Shown in Fig. 6, the 11st, 12 group of plain-barreled roll upsweeps the both sides middleware b, closes up, and the tubulose tubing of required radius is made.
In the welding step, welding current 160A, speed of welding 2.5m/s.
In the polishing welding seams step, pass through the welding slag of planing tool polishing tubing weld.
In the school circle step, tubing after cooling is placed on the circular knitting machine of school along both direction counterclockwise rotation school circle.
The caliber low capacity of ultra-thin tube of the present invention is big, is particular enable to meet wanting for delicate structure in present refrigerant system design
It asks.
The processing method of ultra-thin tube of the present invention, plate, which is curled into round tube, by 12 groups of plain-barreled rolls can be avoided general stretching
The plate both sides problem of misalignment generated during pipe crimping reduces the defect rate in production process, greatlys save production cost.
Deformation Law of 12 groups of plain-barreled rolls according to common plate in the processing method of ultra-thin tube of the present invention, can guarantee to roll up
It will not be led to the problem of during bent and cause plate damage to cause defect rate high because of aging deformation;And 12 groups of plain-barreled rolls point
It is particular enable to adapt to the production that wall thickness is 0.3-0.4mm tubing at the method that 3 steps crimp, yields reaches 99%.
Ultra-thin tube of the invention can be used for the evaporator, condenser, dew removing tube of the refrigeration systems such as refrigerator, refrigerator, whole
Cost at least reduces by 1/5.
In the description of this specification, the description of term " one embodiment " etc. means that the embodiment or example is combined to describe
Particular features, structures, materials, or characteristics be included at least one embodiment or example of the invention.In the present specification,
Schematic expression of the above terms are not necessarily referring to identical embodiment or example.Moreover, the specific features of description, knot
Structure, material or feature can be combined in any suitable manner in any one or more of the embodiments or examples.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of ultra-thin tube, it is characterised in that:The wall thickness of the ultra-thin tube is 0.3-0.4mm.
2. a kind of method for processing ultra-thin tube as described in claim 1, which is characterized in that including step:
The first step, sheet shearing select the plate with a thickness of 0.3-0.4mm, calculate required plate according to the radius of required tubing
It is spare to cut corresponding size plate for the width of material;
Second step, plate finishing, the plate that the first step is prepared, which is polished, to be modified, and removes flash removed;
Third step cleans plate, and the plate trimmed using ultrasonic water gun cleaning second step removes plate surface greasy dirt
Tubulose is made by veneer reeling machine in 4th step, roll bending molding, the plate that third step is trimmed;
5th step, welding, is welded into tubing for the 4th molding plate of step roll bending by HFI welding;
6th step, polishing welding seams remove the welding of the 5th step and complete the welding slag of tubing weld, and carry out sanding and polishing;
7th step, it is cooling, the 6th step is completed to the tubing of weld grinding, is cooled to room temperature by way of water cooling;
7th step, is completed cooling tubing by the 8th step, school circle, passes through school circular knitting machine school circle;
9th step, closing quotation, the tubing coil winding after high-ranking officers are round.
3. the processing method of ultra-thin tube according to claim 2, it is characterised in that:In the roll bending forming step, volume
For trigger by 12 groups of plain-barreled rolls, the tubulose tubing of required radius is made in the plate that third step is trimmed.
4. the processing method of ultra-thin tube according to claim 3, which is characterized in that described
For veneer reeling machine by 12 groups of plain-barreled rolls, tubulose is made in the plate that third step is trimmed, the specific steps are:
1st, 2,3,4 group of plain-barreled roll upsweep plate both sides, forms both sides arc and upwarps, the moulding of bottom level obtains
Between part a;
The both sides middleware a arc is upwarped and continues to crimp by the 5th, 6,7,8 group of plain-barreled roll, is formed semicircular moulding, is obtained middleware
b;
9th, 10,11,12 group of plain-barreled roll, which upwarps the both sides middleware b arc to continue to crimp, to be closed up, and the bottom of middleware b is rolled up
Song forms circle, obtains the tubulose tubing of required radius.
5. the processing method of ultra-thin tube according to claim 4, which is characterized in that in the step A, the 1st, 2 group flat
Roller tilts on plate both sides upwards, forms that both sides are straight upwarps, the moulding of bottom level;3rd, 4 group of plain-barreled roll by plate both sides to
Upper curling forms both sides arc and upwarps, the moulding of bottom level.
6. the processing method of ultra-thin tube according to claim 4, which is characterized in that in the step B, the 5th, 6 group flat
Roller crimps the bottom middleware a, forms both sides arc and upwarps, the moulding of bottom arc;7th, 8 group of plain-barreled roll is by the bottom middleware a
Curling, and the both sides middleware a are upsweeped, form semicircular moulding.
7. the processing method of ultra-thin tube according to claim 4, which is characterized in that in the step C, the 9th, 10 group flat
The bottom middleware b is curled into the corresponding radian for meeting required radius by roller;11st, 12 group of plain-barreled roll scrolls up the both sides middleware b
Song closes up, and the tubulose tubing of required radius is made.
8. the processing method of ultra-thin tube according to claim 2, it is characterised in that:In the welding step, welding electricity
Stream is 150-185A, speed of welding 2.3-2.7m/s.
9. the processing method of ultra-thin tube according to claim 2, it is characterised in that:In the polishing welding seams step, lead to
Cross the welding slag of planing tool polishing tubing weld.
10. the processing method of ultra-thin tube according to claim 2, it is characterised in that:In the school circle step, it will cool down
Tubing afterwards is placed on the circular knitting machine of school along both direction counterclockwise rotation school circle.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810541259.5A CN108895213A (en) | 2018-05-30 | 2018-05-30 | A kind of ultra-thin tube and its processing method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810541259.5A CN108895213A (en) | 2018-05-30 | 2018-05-30 | A kind of ultra-thin tube and its processing method |
Publications (1)
Publication Number | Publication Date |
---|---|
CN108895213A true CN108895213A (en) | 2018-11-27 |
Family
ID=64343601
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810541259.5A Pending CN108895213A (en) | 2018-05-30 | 2018-05-30 | A kind of ultra-thin tube and its processing method |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN108895213A (en) |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3260099A (en) * | 1964-07-28 | 1966-07-12 | Frank E Elge | Tube forming machine |
JPH10225726A (en) * | 1997-02-13 | 1998-08-25 | Sumikin Kozai Kogyo Kk | Production of thin wall tube |
EP0976466A2 (en) * | 1998-07-30 | 2000-02-02 | Dreistern-Werk Maschinenbau GmbH & co. KG | Method and device for the manufacture of a tube from strip material |
US20010042773A1 (en) * | 2000-02-01 | 2001-11-22 | Friedrich Harten | Process for the production of metal pipes |
US20040216502A1 (en) * | 2003-04-30 | 2004-11-04 | Chung Woon Jin | Roll for roll forming and method therefor |
JP2005334947A (en) * | 2004-05-27 | 2005-12-08 | Nippon Steel Metal Prod Co Ltd | Electric resistance welded tube manufacturing device |
CN104259265A (en) * | 2014-08-13 | 2015-01-07 | 烽火通信科技股份有限公司 | Production method and set of stainless steel tape armored cable |
CN106271432A (en) * | 2016-08-30 | 2017-01-04 | 天津鑫凯建业科技有限公司 | A kind of steel pipes with straight manufacturing process and the reel hold down gag for this technique |
CN106363051A (en) * | 2016-11-02 | 2017-02-01 | 天津航天机电设备研究所 | Forming tool and method of ultrathin slender elastic tubular rod |
-
2018
- 2018-05-30 CN CN201810541259.5A patent/CN108895213A/en active Pending
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3260099A (en) * | 1964-07-28 | 1966-07-12 | Frank E Elge | Tube forming machine |
JPH10225726A (en) * | 1997-02-13 | 1998-08-25 | Sumikin Kozai Kogyo Kk | Production of thin wall tube |
EP0976466A2 (en) * | 1998-07-30 | 2000-02-02 | Dreistern-Werk Maschinenbau GmbH & co. KG | Method and device for the manufacture of a tube from strip material |
US20010042773A1 (en) * | 2000-02-01 | 2001-11-22 | Friedrich Harten | Process for the production of metal pipes |
US20040216502A1 (en) * | 2003-04-30 | 2004-11-04 | Chung Woon Jin | Roll for roll forming and method therefor |
JP2005334947A (en) * | 2004-05-27 | 2005-12-08 | Nippon Steel Metal Prod Co Ltd | Electric resistance welded tube manufacturing device |
CN104259265A (en) * | 2014-08-13 | 2015-01-07 | 烽火通信科技股份有限公司 | Production method and set of stainless steel tape armored cable |
CN106271432A (en) * | 2016-08-30 | 2017-01-04 | 天津鑫凯建业科技有限公司 | A kind of steel pipes with straight manufacturing process and the reel hold down gag for this technique |
CN106363051A (en) * | 2016-11-02 | 2017-02-01 | 天津航天机电设备研究所 | Forming tool and method of ultrathin slender elastic tubular rod |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102764958B (en) | Process for manufacturing cold-rolled/cold-drawn precise welded steel pipe | |
CN102179697B (en) | Roll bending formation manufacturing method and equipment for porous microchannel flat pipe | |
CN106541253A (en) | A kind of production technology of steel pipe | |
CN101691977B (en) | Stainless steel snakelike flow channel cold plate and processing molding method thereof | |
US4377732A (en) | Method of and apparatus for the production of profile members and hollow bodies from a plurality of metal strips of constant thickness | |
CN101559446A (en) | Method for preparing welded stainless steel pipe of boiler | |
CN103753162A (en) | Roll bending forming device and forming method for ten-hole micro-channel flat tubes | |
CN104154796A (en) | Internal-thread heat exchange pipe and manufacturing process thereof | |
CN102974987A (en) | Large-diameter thin-wall T250 steel pressure vessel vacuum electronic beam welding manufacturing method | |
CN109986306A (en) | It is a kind of to dissipate rosette copper pipe and its production technology greatly | |
KR101173841B1 (en) | Apparatus for manufacturing turn-fin tube and method of manufacturing turn-fin tube | |
CN108356083A (en) | A kind of coil of strip pickling skin pass mill group and coil of strip production method | |
CN108895213A (en) | A kind of ultra-thin tube and its processing method | |
CN201596691U (en) | Equipment for producing aluminum covered copper tubes | |
KR20130118511A (en) | Manufacturing method of resin coating aluminium pipe for air conditioner and apparatus thereof | |
CN111014526B (en) | Thin-wall W-section special-shaped sealing structure inner and outer composite rolling forming method | |
CN108838633B (en) | A kind of bimetallic composite steel band and its manufacturing method | |
CN107009101A (en) | A kind of production technology of compressor connecting tube | |
KR100716670B1 (en) | The molding method of the condenser coolant pipe | |
CN105004108A (en) | Piping for refrigeration, production method and application | |
JP5867071B2 (en) | Manufacturing method for thick ERW steel pipe | |
KR100293577B1 (en) | Method of and apparatus for producing steel pipes | |
CN113732629B (en) | Manufacturing method of pressure steel belt | |
CN117943845B (en) | Manufacturing equipment for side wall of battery shell and manufacturing method for battery shell | |
CN211135977U (en) | Spiral steel pipe forming machine |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181127 |
|
RJ01 | Rejection of invention patent application after publication |